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How to save a plot as image on the disk?
...a plot, you need to do the following:
Open a device, using png(), bmp(), pdf() or similar
Plot your model
Close the device using dev.off()
Some example code for saving the plot to a png file:
fit <- lm(some ~ model)
png(filename="your/file/location/name.png")
plot(fit)
dev.off()
This is d...
How to find out which fonts are referenced and which are embedded in a PDF document
We have a little problem with fonts in PDF documents. In order to put the finger on the problem I'd like to inspect, which fonts are actually embedded in the pdf document and which are only referenced. Is there an easy (and cheap as in free) way to do that?
...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...匆忙，还有很多东西没有说明，不足之处望请见谅，以后持续编辑此贴！希望能和大家沟通交流！
参考资料：
http://blog.csdn.net/shagoo/article/details/6396089
http://www.cnblogs.com/skynet/archive/2010/12/12/1903949.htmlphp socket 初探
凤姐当天使 徐小平胡海泉薛蛮子王刚怎么看？ - 资讯 - 清泛网 - 专注C/C++...
...升空间。而现阶段，天使投资行业也正处于爆发阶段，其发展形态逐步从“单打独斗”趋向团队经营、“天使+孵化器”、“天使+众筹”……整个天使的发展历程可以称作是“天使生态化”进程。
12月3日，在清科集团“投资界...
iTextSharp - Sending in-memory pdf in an email attachment
...
Have you tried:
PdfWriter writer = PdfWriter.GetInstance(doc, memoryStream);
// Build pdf code...
writer.CloseStream = false;
doc.Close();
// Build email
memoryStream.Position = 0;
mm.Attachments.Add(new Attachment(memoryStream, "test.pd...
Vertically aligning CSS :before and :after content [duplicate]
...ing your advice on the vertical-align CSS attribute. Thanks for the tip!
.pdf:before {
padding: 0 5px 0 0;
content: url(../img/icon/pdf_small.png);
vertical-align: -50%;
}
share
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impr...
How do I get the file name from a String containing the Absolute file path?
...ring variable contains a file name, C:\Hello\AnotherFolder\The File Name.PDF . How do I only get the file name The File Name.PDF as a String?
...
PHPCMS不能上传WORD、EXCEL、PDF等文件的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHPCMS不能上传WORD、EXCEL、PDF等文件的问题在下载模型中进行设置即可：允许上传的文件类型改为：rar|zip|tgz|tar.gz|7z|doc|docx|xls|xlsx|ppt|pptx|pdf同理，同时上传文件个数也在这...在“下载模型”中进行设置即可：
允许上传的...
分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...你的确认”的信息。
靠，于是你会发现，这事情很快就发展成为不管发送多少个确认消息，都没有办法来保证两位将军有足够的自信自己的信使没有被敌军捕获。
这个问题是无解的。两个将军问题和它的无解证明首先由E.A.Ak...
“Diff” an image using ImageMagick
...age1 image2 -compose src diff.png
compare image1 image2 -compose src diff.pdf
The only difference between the 2 commands above: the first one shows the visual difference between the two images as a PNG file, the second one as a PDF.
The resulting diff file displays all pixels which are different...